The term 'animal spirits' has returned to academic and public discourse in a way which departs significantly from the original use of the term by Keynes. The new behavioural economics literature uses the term to refer to a range of behaviour which falls outside what is normally understood as...

William Stanley Jevons’s “Sunspot Theory” of business cycles related the number of spots on the sun to economic activity, primarily through the weather and agriculture, but also through psychological components like optimism and uncertainty. The theory is widely discredited, but John...

We propose a fresh way of thinking about the monetary transmission mechanism. By integrating Keynesian economics with general equilibrium theory in a new way, we provide an alternative model and an alternative narrative to New-Keynesian economics to explain how macroeconomic policy influences...

We propose a fresh way of thinking about the monetary transmission mechanism. By integrating Keynesian economics with general equilibrium theory in a new way, we provide an alternative model and an alternative narrative to New-Keynesian economics to explain how macroeconomic policy influences...

We introduce a simple equilibrium model of a market for loans, where households lend to firms based on heterogeneous expectations about their loan default probability. Agents select among heterogeneous expectation rules, based upon their relative performance. A small fraction of pessimistic...